627872131 has 2 divisors, whose sum is σ = 627872132. Its totient is φ = 627872130.

The previous prime is 627872117. The next prime is 627872137. The reversal of 627872131 is 131278726.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 627872131 - 2⁹ = 627871619 is a prime.

It is a super-2 number, since 2×627872131² = 788446825772962322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (627872137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313936065 + 313936066.

It is an arithmetic number, because the mean of its divisors is an integer number (313936066).

Almost surely, 2^627872131 is an apocalyptic number.

627872131 is a deficient number, since it is larger than the sum of its proper divisors (1).

627872131 is an equidigital number, since it uses as much as digits as its factorization.

627872131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 627872131 is about 25057.3767781067. The cubic root of 627872131 is about 856.2956455962.

The spelling of 627872131 in words is "six hundred twenty-seven million, eight hundred seventy-two thousand, one hundred thirty-one".